GRADE 08 NATURAL SCIENCES QUIZ: PHOTOSYNTHESIS

What is photosynthesis? (1 mark)

(a)  

The energy conversion in photosynthesis is from: (1 mark)

• radiant energy to light energy

• heat energy to radiant energy

• radiant energy to chemical potential energy

• kinetic energy to potential energy

The following is not a requirement for plants to photosynthesize. (1 mark)

• light energy

• carbon dioxide

• water

• glucose

What are the by products of photosynthesis? (2 marks)

(a)  

During the process of photosynthesis oxygen is taken in by the plants and carbon dioxide is released. (1 mark)

• true

• false

Name the seven life processes.

(a)  

Where in plants does photosynthesis take place?

(a)  

Chlorophyll is the green pigment in green plants.

• true

• false